CN113289820A - Automatic spray-painting device for ground mark - Google Patents
Automatic spray-painting device for ground mark Download PDFInfo
- Publication number
- CN113289820A CN113289820A CN202110392053.2A CN202110392053A CN113289820A CN 113289820 A CN113289820 A CN 113289820A CN 202110392053 A CN202110392053 A CN 202110392053A CN 113289820 A CN113289820 A CN 113289820A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- plate
- spray painting
- fixed
- workbin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/005—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 mounted on vehicles or designed to apply a liquid on a very large surface, e.g. on the road, on the surface of large containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
- B05B15/625—Arrangements for supporting spraying apparatus, e.g. suction cups designed to be placed on the ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
- E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
- E01C23/22—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of spray painting devices, in particular to an automatic spray painting device for ground identification. Including the bottom plate and setting up the feedway of bottom plate upper surface, feedway includes the workbin, just the last fixed surface of workbin installs the motor, just the output of motor is connected with the pivot, the side of pivot is rotated and is installed a plurality of puddlers, and every the side fixed mounting of puddler has the magnetism ball, just a plurality of magnetic paths are installed to the both sides inner wall symmetry of workbin, just the workbin has through pipe connection to fix the air pump of bottom plate upper surface. According to the invention, by arranging the feeding device and the laser leveler, raw materials can be mixed and stirred during the ground mark spray painting, and meanwhile, the laser leveler is used for leveling the spray painting head, so that the ground spray painting effect is ensured.
Description
Technical Field
The invention relates to the technical field of spray painting devices, in particular to an automatic spray painting device for ground identification.
Background
When carrying out laying of road, need carry out the air brushing of road sign, current road sign air brushing device can't mix the raw materials when using, and then leads to the air brushing effect relatively poor, lacks necessary drying device simultaneously, can not satisfy the user demand.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic air brushing device of ground sign, is in including bottom plate and setting the feedway of bottom plate upper surface, feedway includes the workbin, just the last fixed surface of workbin installs the motor, just the output of motor is connected with the pivot, the side of pivot is rotated and is installed a plurality of puddlers, and every the side fixed mounting of puddler has the magnetism ball, just a plurality of magnetic paths are installed to the both sides inner wall symmetry of workbin, just the workbin has through pipe connection to be fixed the air pump of bottom plate upper surface, the air pump has the setting through pipe connection and is in the air brushing board of bottom plate below, just the top of air brushing board is connected with two and fixes the telescopic link of bottom surface under the bottom plate, a plurality of air brushing heads are installed to the below of air brushing board, the top fixed mounting of bottom plate has thrust unit.
As a still further scheme of the invention: clamping devices arranged on the upper surface of the base plate are symmetrically arranged on two sides of the feeding device, and a drying device is arranged on the side surface of the spray painting plate.
As a still further scheme of the invention: the lower bottom surface fixed mounting of bottom plate has the underframe, just the inside slidable mounting of underframe has the sill bar, the below of sill bar is fixed with the universal wheel, just the lower bottom surface fixed mounting of bottom plate has a plurality of laser levelling ware.
As a still further scheme of the invention: the pushing device comprises a base fixed on the upper surface of the bottom plate and a rotating seat, a rotating rod is installed on the side face of the rotating seat in a rotating mode, and one end, far away from the rotating seat, of the rotating rod is connected with a sliding sleeve rotatably installed on the side face of the base.
As a still further scheme of the invention: the anti-skidding type sliding sleeve is characterized in that a pull rod is slidably mounted inside the sliding sleeve, a round ball is fixedly mounted at the end of the pull rod, and an anti-skidding net is sleeved on the side face of the round ball.
As a still further scheme of the invention: clamping device is including fixing the fixed plate of bottom plate upper surface, just the side of fixed plate is fixed with fixed frame, the side-mounting of fixed frame has the hydraulic stem, just the hydraulic stem run through in the fixed plate, the hydraulic stem is kept away from the one end of fixed frame is connected with the clamp splice.
As a still further scheme of the invention: the drying device comprises a drying box fixed on the side face of the spray painting plate, a fan is fixed on the inner top face of the drying box, a heating wire is arranged below the fan, and a filter screen is installed on the inner top face of the drying box.
The invention has the beneficial effects that:
according to the invention, through arranging the feeding device and the laser leveler, raw materials can be mixed and stirred when the ground mark is sprayed, meanwhile, the laser leveler is used for leveling the spraying head, so that the ground spraying effect is ensured, the material box is convenient to fix through arranging the clamping device, and meanwhile, the clamping process is ensured not to loosen.
Drawings
Fig. 1 is a schematic structural diagram of an automatic spray-painting device for ground identification according to embodiment 1;
FIG. 2 is a schematic structural diagram of a feeding device of the automatic floor-marking inkjet printing device according to embodiment 1;
fig. 3 is a partial structural cross-sectional view of a laser leveler of the automatic spray-painting device for ground identification according to embodiment 1;
FIG. 4 is a schematic structural diagram of a pushing device of the automatic spray painting device for floor marking according to embodiment 1;
FIG. 5 is a cross-sectional view of a clamping device of an automatic spray painting device for floor marking according to embodiment 1;
fig. 6 is a schematic structural view of a drying device of the automatic spray-painting device for ground identification in embodiment 2;
in the figure: the device comprises a bottom plate 1, a feeding device 2, a clamping device 3, a pushing device 4, a laser leveler 6, a bottom frame 7, a bottom rod 8, a feed box 21, a rotating shaft 22, a stirring rod 23, a magnetic ball 24, a magnetic block 25, a fixing plate 31, a fixing frame 32, a hydraulic rod 33, a clamping block 34, a base 41, a rotating seat 42, a rotating rod 43, a sliding sleeve 44, a ball 45, a drying box 61, a fan 62, a heating wire 63 and a filter screen 64.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1 to 5, an automatic spray painting device for ground identification comprises a bottom plate 1 and a feeding device 2 arranged on the upper surface of the bottom plate 1, wherein the feeding device 2 comprises a bin 21, the upper surface of the bin 21 is fixedly provided with a motor, the output end of the motor is connected with a rotating shaft 22, the side surface of the rotating shaft 22 is rotatably provided with a plurality of stirring rods 23, each stirring rod 23 is fixedly provided with a magnetic ball 24, the inner walls of the two sides of the bin 21 are symmetrically provided with a plurality of magnetic blocks 25, the bin 21 is fixedly provided with an air pump on the upper surface of the bottom plate 1 through a pipe connection, the air pump is connected with a spray painting plate arranged below the bottom plate 1 through a pipe connection, the upper part of the spray painting plate is connected with two telescopic rods fixed on the bottom surface of the bottom plate 1, and a plurality of spray painting heads are arranged below the spray painting plate, the top fixed mounting of bottom plate 1 has thrust unit 4, during the use, rotate through the motor and drive pivot 22 and rotate, and then drive a plurality of puddlers 23 and rotate, and then mix the air brushing raw materials, set up feedway 2 and laser leveler, can mix the stirring to the raw materials when carrying out the air brushing of ground sign, utilize laser leveler to spray the head leveling simultaneously, and then guarantee the effect of ground air brushing, be convenient for carry out angle adjustment as required through setting up thrust unit 4, and then be applicable to different crowds.
The clamping devices 3 arranged on the upper surface of the base plate 1 are symmetrically arranged on two sides of the feeding device 2, the drying device is arranged on the side face of the spray painting plate, when the spray painting plate is used, raw materials can be fixed conveniently by arranging the clamping devices 3, and drying work can be performed on the ground where spray painting is finished conveniently by arranging the drying device.
Wherein, the lower bottom surface fixed mounting of bottom plate 1 has underframe 7, just the inside slidable mounting of underframe 7 has sill bar 8, the below of sill bar 8 is fixed with the universal wheel, just the lower bottom surface fixed mounting of bottom plate 1 has a plurality of laser levelling device 6, during the use, is convenient for carry out the level adjustment to the device through setting up underframe 7 and sill bar 8 and laser levelling device 6.
Wherein, thrust unit 4 is including fixing base 41 and the seat 42 of rotating of bottom plate 1 upper surface, just the side of rotating seat 42 is rotated and is installed bull stick 43, bull stick 43 keeps away from the one end of rotating seat 42 is connected with the rotation and installs the sliding sleeve 44 of base 41 side, during the use, is convenient for carry out sliding sleeve 44's angle modulation as required through setting up thrust unit 4, and then has increased the application range of device.
Wherein, the inside slidable mounting of sliding sleeve 44 has the pull rod, just the tip fixed mounting of pull rod has ball 45, just ball 45's side cover is equipped with anti-skidding net, during the use, is convenient for increase frictional force through setting up ball 45 and anti-skidding net, has promoted the reliability of device.
Wherein, clamping device 3 is including fixing the fixed plate 31 of 1 upper surface of bottom plate, just the side of fixed plate 31 is fixed with fixed frame 32, the side-mounting of fixed frame 32 has hydraulic stem 33, just hydraulic stem 33 run through in fixed plate 31, hydraulic stem 33 keeps away from the one end of fixed frame 32 is connected with clamp splice 34, during the use, is convenient for fix workbin 21 through setting up clamping device 3, removes drive clamp splice 34 through control hydraulic stem 31 and removes, and then has promoted the stability of device.
The working principle is as follows: when in use, the motor rotates to drive the rotating shaft 22 to rotate, and then the stirring rods 23 are driven to rotate, and then the spraying and painting raw materials are mixed, the feeding device 2 and the laser leveler are arranged, the raw materials can be mixed and stirred when the spraying and painting of the ground marks are carried out, meanwhile, the laser leveler is used for leveling the spraying and painting head, and further the effect of the ground spraying and painting is ensured, the pushing device 4 is arranged to facilitate the angle adjustment according to the requirement, and further the device is suitable for different people, the clamping device 3 is arranged to facilitate the fixing of the raw materials, the drying device is arranged to facilitate the drying work of the ground after the spraying and painting is finished, the bottom frame 7, the bottom rod 8 and the laser leveler 6 are arranged to facilitate the horizontal adjustment of the device, the pushing device 4 is arranged to facilitate the angle adjustment of the sliding sleeve 44 according to the requirement, and further the application range of the device is increased, and the friction force is increased by arranging the ball 45 and the anti-slip net, the reliability of the device is improved, the material box 21 is convenient to fix by arranging the clamping device 3, the hydraulic rod 31 is controlled to move to drive the clamping block 34 to move, and the stability of the device is improved.
Example 2
Referring to fig. 6, in the present embodiment, compared with embodiment 1, the drying device includes a drying box 61 fixed on the side surface of the inkjet printing plate, a fan 62 is fixed on the inner top surface of the drying box 61, a heating wire 63 is arranged below the fan 62, and a filter screen 64 is installed on the inner top surface of the drying box 61.
The working principle is as follows: during the use, be convenient for carry out drying process to the ground that the air brushing was accomplished through setting up drying device, be convenient for supply hot-blastly through setting up heater strip 63 and filter screen 64, and then promoted the air brushing effect of device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an automatic air brushing device of ground mark, includes bottom plate (1) and sets up feedway (2) of bottom plate (1) upper surface, its characterized in that, feedway (2) include workbin (21), just the last fixed surface of workbin (21) installs the motor, just the output of motor is connected with pivot (22), a plurality of puddlers (23) are installed in the side rotation of pivot (22), and every the side fixed mounting of puddler (23) has magnetic ball (24), just a plurality of magnetic paths (25) are installed to the both sides inner wall symmetry of workbin (21), just workbin (21) have through pipe connection to fix the air pump at bottom plate (1) upper surface, the air pump has through pipe connection to set up the air brushing board of bottom plate (1) below, just the top of air brushing board is connected with two telescopic links of fixing bottom plate (1) bottom surface down, a plurality of spray drawing heads are arranged below the spray drawing plate, and a pushing device (4) is fixedly arranged above the bottom plate (1).
2. The automatic spray-painting device for floor marks according to claim 1, characterized in that clamping devices (3) arranged on the upper surface of the base plate (1) are symmetrically arranged on two sides of the feeding device (2), and a drying device is arranged on the side surface of the spray-painting plate.
3. The automatic spray painting device for floor marks according to claim 2, wherein a bottom frame (7) is fixedly mounted on the lower bottom surface of the bottom plate (1), a bottom rod (8) is slidably mounted inside the bottom frame (7), universal wheels are fixed below the bottom rod (8), and a plurality of laser levelers (6) are fixedly mounted on the lower bottom surface of the bottom plate (1).
4. The automatic spray painting device for ground marks according to claim 1, wherein the pushing device (4) comprises a base (41) and a rotating seat (42) fixed on the upper surface of the bottom plate (1), a rotating rod (43) is rotatably mounted on the side surface of the rotating seat (42), and one end, far away from the rotating seat (42), of the rotating rod (43) is connected with a sliding sleeve (44) rotatably mounted on the side surface of the base (41).
5. The automatic spray painting device for ground marks according to claim 4, wherein a pull rod is slidably mounted inside the sliding sleeve (44), a round ball (45) is fixedly mounted at the end of the pull rod, and an anti-slip net is sleeved on the side surface of the round ball (45).
6. The automatic spray painting device for ground marks according to claim 2, wherein the clamping device (3) comprises a fixing plate (31) fixed on the upper surface of the base plate (1), a fixing frame (32) is fixed on the side surface of the fixing plate (31), a hydraulic rod (33) is installed on the side surface of the fixing frame (32), the hydraulic rod (33) penetrates through the fixing plate (31), and one end, far away from the fixing frame (32), of the hydraulic rod (33) is connected with a clamping block (34).
7. The automatic spray painting device for floor marks according to claim 2, wherein the drying device comprises a drying box (61) fixed on the side surface of the spray painting plate, a fan (62) is fixed on the inner top surface of the drying box (61), a heating wire (63) is arranged below the fan (62), and a filter screen (64) is installed on the inner top surface of the drying box (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392053.2A CN113289820A (en) | 2021-04-13 | 2021-04-13 | Automatic spray-painting device for ground mark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392053.2A CN113289820A (en) | 2021-04-13 | 2021-04-13 | Automatic spray-painting device for ground mark |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113289820A true CN113289820A (en) | 2021-08-24 |
Family
ID=77319727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110392053.2A Withdrawn CN113289820A (en) | 2021-04-13 | 2021-04-13 | Automatic spray-painting device for ground mark |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113289820A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016362A (en) * | 2021-11-18 | 2022-02-08 | 孙建军 | Road and bridge construction distance marking and dotting equipment and method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101568639B1 (en) * | 2015-06-09 | 2016-07-20 | 정민시 | Height adjustable laser level Machine |
| CN107051277A (en) * | 2017-05-13 | 2017-08-18 | 徐阳 | A kind of storage vat rabbling mechanism |
| CN108978428A (en) * | 2018-09-10 | 2018-12-11 | 安徽科技学院 | Hand-held multi-angle traveling quick-drying line-marking vehicle automatically |
| CN210657932U (en) * | 2019-06-19 | 2020-06-02 | 武汉晨阳环保新材料有限公司 | Road marking device for acrylic coating |
| CN112319580A (en) * | 2020-10-16 | 2021-02-05 | 中国人民解放军东部战区总医院 | Effectual medical instrument conveyer of shock attenuation |
| CN112337689A (en) * | 2020-10-31 | 2021-02-09 | 永新县鹃花皮具箱包有限公司 | Pull rod paint spraying apparatus is used in case and bag production |
| CN112337393A (en) * | 2020-11-03 | 2021-02-09 | 合肥净龙环保科技有限公司 | Automobile-used urea apparatus for producing |
| CN112352762A (en) * | 2020-11-04 | 2021-02-12 | 谭碧英 | Unmanned aerial vehicle pesticide sprinkler |
-
2021
- 2021-04-13 CN CN202110392053.2A patent/CN113289820A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101568639B1 (en) * | 2015-06-09 | 2016-07-20 | 정민시 | Height adjustable laser level Machine |
| CN107051277A (en) * | 2017-05-13 | 2017-08-18 | 徐阳 | A kind of storage vat rabbling mechanism |
| CN108978428A (en) * | 2018-09-10 | 2018-12-11 | 安徽科技学院 | Hand-held multi-angle traveling quick-drying line-marking vehicle automatically |
| CN210657932U (en) * | 2019-06-19 | 2020-06-02 | 武汉晨阳环保新材料有限公司 | Road marking device for acrylic coating |
| CN112319580A (en) * | 2020-10-16 | 2021-02-05 | 中国人民解放军东部战区总医院 | Effectual medical instrument conveyer of shock attenuation |
| CN112337689A (en) * | 2020-10-31 | 2021-02-09 | 永新县鹃花皮具箱包有限公司 | Pull rod paint spraying apparatus is used in case and bag production |
| CN112337393A (en) * | 2020-11-03 | 2021-02-09 | 合肥净龙环保科技有限公司 | Automobile-used urea apparatus for producing |
| CN112352762A (en) * | 2020-11-04 | 2021-02-12 | 谭碧英 | Unmanned aerial vehicle pesticide sprinkler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016362A (en) * | 2021-11-18 | 2022-02-08 | 孙建军 | Road and bridge construction distance marking and dotting equipment and method thereof |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210824 |
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| WW01 | Invention patent application withdrawn after publication |